<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=406596
-->
<head>
  <title>Test for Bug 406596</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=406596">Mozilla Bug 406596</a>
<div id="content">
  <div id="edit" contenteditable="true">This text is editable, you can change its content <a href="#" id="a" tabindex="0">ABCDEFGHIJKLMNOPQRSTUV</a> <input type="submit" value="abcd" id="b"></input> <img src="foo.png" id="c"></div>
  <div tabindex="0">This text is not editable but is focusable</div>
  <div tabindex="0">This text is not editable but is focusable</div>
  <a href="#" id="d" contenteditable="true">ABCDEFGHIJKLMNOPQRSTUV</a>
  <div tabindex="0">This text is not editable but is focusable</div>
  <div tabindex="0">This text is not editable but is focusable</div>
</div>
<pre id="test">
<script class="testbody" type="text/javascript">

/** Test for Bug 406596 **/

function testTabbing(click, focus, selectionOffset) {
  var wu = SpecialPowers.getDOMWindowUtils(window);

  var elem = document.getElementById(click);
  var rect = elem.getBoundingClientRect();
  var selection = window.getSelection();

  var x = (rect.left + rect.right) / 4;
  var y = (rect.top + rect.bottom) / 2;
  wu.sendMouseEvent("mousedown", x, y, 0, 1, 0);
  wu.sendMouseEvent("mousemove", x + selectionOffset, y, 0, 1, 0);
  wu.sendMouseEvent("mouseup", x + selectionOffset, y, 0, 1, 0);
  if (selectionOffset) {
    is(selection.rangeCount, 1, "there should be one range in the selection");
    var range = selection.getRangeAt(0);
  }
  var focusedElement = document.activeElement;
  is(focusedElement, document.getElementById(focus),
     "clicking should move focus to the contentEditable node");
  synthesizeKey("VK_TAB", {});
  synthesizeKey("VK_TAB", {});
  synthesizeKey("VK_TAB", { shiftKey: true });
  synthesizeKey("VK_TAB", { shiftKey: true });
  is(document.activeElement, focusedElement,
     "tab/shift-tab should move focus back to the contentEditable node");
  if (selectionOffset) {
    is(selection.rangeCount, 1,
       "there should still be one range in the selection");
    var newRange = selection.getRangeAt(0);
    is(newRange.compareBoundaryPoints(Range.START_TO_START, range), 0,
       "the selection should be the same as before the tabbing");
    is(newRange.compareBoundaryPoints(Range.END_TO_END, range), 0,
       "the selection should be the same as before the tabbing");
  }
}

function test() {
  window.getSelection().removeAllRanges();
  testTabbing("edit", "edit", 0);
  testTabbing("a", "edit", 0);
  testTabbing("d", "d", 0);
  testTabbing("edit", "edit", 10);
  testTabbing("a", "edit", 10);
  testTabbing("d", "d", 10);

  SimpleTest.finish();
}

window.onload = function() {
  SimpleTest.waitForExplicitFinish();
  setTimeout(test, 0);
};

</script>
</pre>
</body>
</html>
